It is licensed under GPLv3 and the source code is hosted at https://github.com/albertoruibal/carballo.
You are free to use, distribute or modify the code, we ask for a mention to the original authors and/or a link to our pages.

Features

UCI interface for chess GUIs like Arena or SCID

It includes a great GWT interface by Lukas Laag and a deprecated Java Applet GUI

Based on bitboards with a magic bitboard move generator, it also includes code for magic number generation